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<title>NET PROBES</title>
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 <h1>NET PROBES</h1><br>
 <p>
  XSCHEM has the ability to hilight a net and propagate the highlight color to all nets or
  instance pins attached to the net. It has the ability to follow this net through the hierarchy. This is very
  useful in large designs as it makes it easy to see where a net is driven and were the net goes (fan-out).
  Highlighting a net is straightforward, click a net and press the <kbd>'k'</kbd> key. If more nets are selected
  all nets will be colored with different colors.
  <kbd>&lt;Shift&gt;K</kbd> clears all highlight nets, <kbd>&lt;Ctrl&gt;k</kbd> clears selected nets.
 </p>
 <p>Select some nets...</p>
 <img src="probes1.png">
 <p>...press the <kbd>'k'</kbd> key...</p>
 <img src="probes2.png">
 <p>...all nets are highlighted, select the white net...</p>
 <img src="probes3.png">
 <p>..press the <kbd>&lt;Ctrl&gt;k</kbd> key and white net is un-highlighted...</p>
 <img src="probes4.png">
 <p>
  if you descend into component instance <kbd>x1</kbd> (mos_power_ampli) (<kbd>'e'</kbd> key) you will see the highlight nets
  propagated into the child component.
 </p>
 <img src="probes5.png">
 <p>
  A very useful function is the 'View only probes' mode, (<kbd>'5'</kbd> key) that hides
  everything but the highlight probes. This is useful in very big VLSI designs to quickly
  locate start and end point of nets.
  Pressing again the <kbd>'5'</kbd> key restores the normal view.
 </p>
 <img src="probes6.png">
 <br> 
 <img src="probes7.png">
  
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